* {
    margin: 0;
    padding: 0;
}

.dayi {
    /* width: 1900px; */
    height: 940px;
    background: gray;
    background-image: url("../pic/54.jpg");
    /* 去掉重复部分 */
    background-repeat: no-repeat;
    /* 图片自适应 */
    background-size: cover;
    background-size: top center;
}

/* 上方一排标签的主盒子 */
.qiantop {
    height: 32px;
    width: 1900px;
    /* 透明度 */
    background: rgba(0,0,0,0.3);
    line-height: 32px;
    padding-left: 15px;
}

.topl {
    /* width: 500px; */
    float: left;
    text-align: center;
    display: table-cell;
    vertical-align: middle;
    /* color: white; */
    padding-left: 15px;
}

.nav-weather {
    position: relative;
    top: 5px;
}
.qiantop a {
    color: #ffffff;
    font-size: 12px;
    text-decoration: none;
}
.qiantop span {
    color: #ffffff;
    font-size: 14px;
    border-bottom: 1px solid white;
    margin-right: 8px;
}

/* .topr {
    width: 86px;
    float: right;
    background: blue;
    text-align: center;
    display: table-cell;
    vertical-align: middle;
}


.topr2 {
    width: 420px;
    float: right;
    text-align: center;
    display: table-cell;
    vertical-align: middle;
} */
.nav-right {
    float: right;
    height: 32px;
}
.nav-right a {
    font-size: 13px;
    font-weight: bold;
    margin-right: 18px;
}
.nav-right span {
    font-size: 13px;
}
span.nav-production {
    width: 86px;
    height: 100%;
    display: inline-block;
    text-align: center;
    margin-right: 0px;
    background: blue;
}

.nav-show {
    width: 86px;
    background: white;
    position: absolute;
    top: 32px;
    right: 0px;
    height: 0px;
}
span.nav-production:hover {
    background: #fff;
    color: black;
}
.nav-production:hover .nav-show {
    /* display: block; */

    /* transition: all .4s;
    opacity: 1; */

    height: calc(100% - 32px);
    transition: all 0.2s;
}



/* 中间空余部分 */
.zhongskong {
    width: 520px;
    height: 286px;
    /* background: pink; */
    background-image: url("../pic/xiao.gif");
    /* margin-left: 820px; */
    margin: 0px auto;
}

/* 搜索框 */
.sou {
    height: 40px;
    /* background: gray; */
}

.textw {
    width: 642px;
    height: 40px;
    margin: 0px auto;
    border: 0px;
    padding: 0px;
}

.textnl {
    width: 538px;
    height: 38px;
    background: #ffffff;
    border: 0px;
    float: left;
}

.textnr {
    height: 38px;
    width: 104px;
    background: #e8e8e8;
    float: right;
    /* align: right; */
}

.zi2 {
    padding: 0px;
    height: 40px;
    width: 104px;
    font-size: 15px;
    text-align: center;
    display: table-cell;
    vertical-align: middle;
}

/* 底部的产权标识区 */
.xiaokong {
    height: 532px;
}

.dibu {
    height: 50px;
    /* background: yellow; */
}